class Equipment(object):
    def __init__ (self,atk,defend=0,matk=0,lv=0,name='',):
        self.atk = atk
        self.defend = defend
        self.name = name
        self.matk = matk
        self.lv = lv
        self.owner = None
        self.price=self.atk*3+self.defend*2
